Metro International Biotech has requested the Food and Drug Administration uphold its determination that NMN is excluded from the definition of a dietary supplement product.
The results of a public records request regarding potential correspondence between top FDA brass and Amazon about NAC in dietary supplements underscore that the FOIA can be a real drag on "news."
Natural products manufacturer NOW has reported that dozens of "no name" berberine supplements sold on Amazon and Walmart.com do not meet potency claims on label.